Home / 31,529.90-43,511.56-17,383.25

Finding the Fourth Proportional to 31,529.90, 43,511.56 and 17,383.25

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Solution

The fourth proportional to 31,529.90, 43,511.56 and 17,383.25 is: 23,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.90 : 43,511.56 = 17,383.25 : x
  2. Step 2: Convert to fraction form
    31,529.90/43,511.56 = 17,383.25/x
  3. Step 3: Cross multiply
    31,529.90x = 43,511.56 × 17,383.25
  4. Step 4: Simplify right side
    31,529.90x = 756,372,390.69
  5. Step 5: Solve for x
    x = 756,372,390.69/31,529.90
  6. Step 6: Final answer
    x = 23,989.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.